Headmesh Agent Sandbox for ChatGPT

io.github.headmesh-dev/headmesh-sandbox

Run commands, edit files and manage Git and persistent sessions in your own isolated sandbox.

client:ChatGPT transport:streamable-http

Install Headmesh Agent Sandbox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://{sandbox_host}/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs